A new framework for metabolic modeling under non-balanced growth. Application to carbon metabolism of unicellular microalgaee

Type : ACTI
Nature : Production scientifique
Au bénéfice du Laboratoire : Oui
Statut de publication : Publié
Année de publication : 2013
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Titre du proceeding : Proseedings of the 12th IFAC Symposium on Computer Applications in Biotechnology
Editeur de presse : -
Volume : 46
Fascicule : 31
Pages : 107-112
Auteurs (4) : BAROUKH Caroline MUNOZ-TAMAYO Rafael STEYER Jean-philippe BERNARD Olivier
Editeurs scientifiques (0) :
DOI : 10.3182/20131216-3-IN-2044.00006
URL : http:////www.sciencedirect.com/science/article/pii/s1474667016313799
Abstract : Macroscopic and metabolic models are ubiquitous tools for bioprocess modeling and understanding. While these two modeling approaches bring answers to different objectives, a remaining challenging question is how to couple macroscopic and intracellular models to enlarge the prediction capabilities of the model while keeping a model structure with low complexity level? In this paper, we provide conceptual guidelines to address this question. We propose a new modeling framework that manages non-balanced growth condition and hence accumulation of intracellular metabolites. The first stage consists in determining metabolic sub-networks, which are assumed to satisfy balanced growth condition. Then, the remaining metabolites interconnecting the sub-networks can dynamically accumulate or be reused. The basis of our approach is illustrated for the carbon metabolic network of unicellular microalgae.
Mots-clés : balanced-growth; dynamic modeling; lipids; metabolic modeling; microalgae
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Citation :
Baroukh C, Munoz-Tamayo R, Steyer J-P, Bernard O (2013) A new framework for metabolic modeling under non-balanced growth. Application to carbon metabolism of unicellular microalgaee. Proseedings of the 12th IFAC Symposium on Computer Applications in Biotechnology. 31, Vol: 46, , 107-112 | doi: 10.3182/20131216-3-IN-2044.00006